70 static bool CanEvaluateShifted(Value *V, unsigned NumBits, bool isLeftShift,  in CanEvaluateShifted()  argument
86     if (CI->getZExtValue() == NumBits) {  in CanEvaluateShifted()
114     return CanEvaluateShifted(I->getOperand(0), NumBits, isLeftShift, IC, I) &&  in CanEvaluateShifted()
115            CanEvaluateShifted(I->getOperand(1), NumBits, isLeftShift, IC, I);  in CanEvaluateShifted()
126     if (CI->getValue() == NumBits) return true;  in CanEvaluateShifted()
132     if (CI->getZExtValue() > NumBits) {  in CanEvaluateShifted()
135                        APInt::getLowBitsSet(TypeWidth, NumBits) << LowBits,  in CanEvaluateShifted()
151     if (CI->getValue() == NumBits) return true;  in CanEvaluateShifted()
157     if (CI->getValue().ult(TypeWidth) && CI->getZExtValue() > NumBits) {  in CanEvaluateShifted()
158       unsigned LowBits = CI->getZExtValue() - NumBits;  in CanEvaluateShifted()
160                           APInt::getLowBitsSet(TypeWidth, NumBits) << LowBits,  in CanEvaluateShifted()
169     return CanEvaluateShifted(SI->getTrueValue(), NumBits, isLeftShift,  in CanEvaluateShifted()
171            CanEvaluateShifted(SI->getFalseValue(), NumBits, isLeftShift, IC, SI);  in CanEvaluateShifted()
179       if (!CanEvaluateShifted(IncValue, NumBits, isLeftShift,  in CanEvaluateShifted()
189 static Value *GetShiftedValue(Value *V, unsigned NumBits, bool isLeftShift,  in GetShiftedValue()  argument
194       V = IC.Builder->CreateShl(C, NumBits);  in GetShiftedValue()
196       V = IC.Builder->CreateLShr(C, NumBits);  in GetShiftedValue()
213         0, GetShiftedValue(I->getOperand(0), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
215         1, GetShiftedValue(I->getOperand(1), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
228       unsigned NewShAmt = NumBits+CI->getZExtValue();  in GetShiftedValue()
240     if (CI->getValue() == NumBits) {  in GetShiftedValue()
241       APInt Mask(APInt::getLowBitsSet(TypeWidth, TypeWidth - NumBits));  in GetShiftedValue()
253     assert(CI->getZExtValue() > NumBits);  in GetShiftedValue()
255                                        CI->getZExtValue() - NumBits));  in GetShiftedValue()
269       unsigned NewShAmt = NumBits+CI->getZExtValue();  in GetShiftedValue()
280     if (CI->getValue() == NumBits) {  in GetShiftedValue()
281       APInt Mask(APInt::getHighBitsSet(TypeWidth, TypeWidth - NumBits));  in GetShiftedValue()
293     assert(CI->getZExtValue() > NumBits);  in GetShiftedValue()
295                                        CI->getZExtValue() - NumBits));  in GetShiftedValue()
302         1, GetShiftedValue(I->getOperand(1), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
304         2, GetShiftedValue(I->getOperand(2), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
312       PN->setIncomingValue(i, GetShiftedValue(PN->getIncomingValue(i), NumBits,  in GetShiftedValue()